Polls closed across England and London on Thursday in local elections that serve as a referendum on Prime Minister Keir Starmer's leadership [1].

The results could signal a critical turning point for the Labour Party, as internal pressure and a slump in popularity threaten Starmer's standing. Because these elections are being treated as a de-facto referendum, a poor showing may trigger a leadership crisis or a shift in the UK's political alignment.

These elections represent the largest set of local contests since 2024 [6]. The stakes are particularly high for the governing party, with reports indicating that Labour could potentially lose hundreds of seats [5]. Early predictions suggest the party is set for historic losses in the London local vote [4].

While the Conservatives also face potential major losses [5], some analysts suggest the party may not be the primary beneficiary of the Labour slump [6]. Instead, Reform UK is predicted to be the biggest winner of the current cycle [6]. Other reports indicate that Labour is hemorrhaging votes to both the Greens and Reform UK [4].

Kemi Badenoch, the Conservative leader, cast her vote in Essex on Thursday [6]. The atmosphere across the country remains tense as counting centers begin to process the ballots.

Starmer has faced increasing pressure to maintain party unity while navigating a difficult economic and social landscape. The scale of the potential losses — if realized — would mark a significant departure from the party's previous local performance.

Polls closed across England and London on Thursday in local elections that serve as a referendum on Prime Minister Keir Starmer's leadership.

The outcome of these elections will determine whether Keir Starmer maintains the authority to lead the Labour Party or if he becomes vulnerable to internal challenges. A surge for Reform UK would indicate a growing appetite for right-wing populism, potentially squeezing the center-ground and forcing both major parties to shift their policy priorities to recapture disillusioned voters.